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86972005130 = 2519891437243
BaseRepresentation
bin101000011111111101…
…1110111101100001010
322022111020011122001012
41100333323313230022
52411104313131010
6103542051523522
76166150563113
oct1207773675412
9268436148035
1086972005130
113398047a79a
1214a328b95a2
1382806b863a
1442d0ac920a
1523e0608005
hex143fef7b0a

86972005130 has 16 divisors (see below), whose sum is σ = 156557837664. Its totient is φ = 34786973520.

The previous prime is 86972005129. The next prime is 86972005139. The reversal of 86972005130 is 3150027968.

It is not an unprimeable number, because it can be changed into a prime (86972005139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19712 + ... + 417531.

It is an arithmetic number, because the mean of its divisors is an integer number (9784864854).

Almost surely, 286972005130 is an apocalyptic number.

86972005130 is a deficient number, since it is larger than the sum of its proper divisors (69585832534).

86972005130 is a wasteful number, since it uses less digits than its factorization.

86972005130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457141.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 86972005130 in words is "eighty-six billion, nine hundred seventy-two million, five thousand, one hundred thirty".

Divisors: 1 2 5 10 19891 39782 99455 198910 437243 874486 2186215 4372430 8697200513 17394401026 43486002565 86972005130